17174092
Frage 1
Frage
How many species n Phylum Annelida?
Antworten
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20,000
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10,000
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30,000
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5,000
Frage 2
Frage
Check all that apply to Polychaete body form
Antworten
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mm-1m
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5mm-cm
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segmented body
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parapodium
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walking form
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tube form
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retractor muscle
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large coelom
Frage 3
Frage
Check all that apply to Sipuncula body form
Antworten
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5mm-cm
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long. & circ. muscle
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retractor muscle
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large coelom
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mm-1m
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segmented body
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parapodium
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walking form
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tube form
Frage 4
Frage
Describe Polychaete habitat
Antworten
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all habitats
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rock
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benthic
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sand
Frage 5
Frage
Most Polychaetes have [blank_start]complete[blank_end] digestion; the walking forms are [blank_start]carnivores[blank_end] while the tube forms are [blank_start]particulate feeders[blank_end].
Antworten
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complete
-
incomplete
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carnivores
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herbivores
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particulate feeders
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particulate feeders
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carnivores
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herbivores
Frage 6
Frage
Polychaetes have a closed circulatory system with a 2-chambered heart.
Antworten
- True
- False
Frage 7
Frage
Polychaetes are [blank_start]dioecious[blank_end]. They begin as a [blank_start]trochophore[blank_end], which then becomes a [blank_start]metatrochopore[blank_end].
Antworten
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dioecious
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monoecious
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trochophore
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planula
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metatrochopore
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metaplanula
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unnamed larvae
Frage 8
Frage
What is an epitoke?
Antworten
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collection of gametes/gonads at the hind end of a Polychaete
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collection of gametes/gonads at the hind end of a sipuncula
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long straw-like proboscis that extends from the front end of a Polychaete
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long straw-like proboscis that extends from the front end of a Sipuncula
Frage 9
Frage
Which of these best describes Sipuncula habitat?
Antworten
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benthic
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rock
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planktonic
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nektonic
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